| /* |
| * Copyright (C) 2015 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package com.android.launcher3; |
| |
| import android.content.Context; |
| import android.graphics.Rect; |
| import android.util.AttributeSet; |
| import android.widget.FrameLayout; |
| |
| /** |
| * A base container view, which supports resizing. |
| */ |
| public class BaseContainerView extends FrameLayout implements Insettable { |
| |
| protected Rect mInsets = new Rect(); |
| protected Rect mFixedBounds = new Rect(); |
| protected int mFixedBoundsContainerInset; |
| |
| public BaseContainerView(Context context) { |
| this(context, null); |
| } |
| |
| public BaseContainerView(Context context, AttributeSet attrs) { |
| this(context, attrs, 0); |
| } |
| |
| public BaseContainerView(Context context, AttributeSet attrs, int defStyleAttr) { |
| super(context, attrs, defStyleAttr); |
| mFixedBoundsContainerInset = context.getResources().getDimensionPixelSize( |
| R.dimen.container_fixed_bounds_inset); |
| } |
| |
| @Override |
| final public void setInsets(Rect insets) { |
| mInsets.set(insets); |
| onUpdateBackgrounds(); |
| onUpdatePaddings(); |
| } |
| |
| /** |
| * Sets the fixed bounds for this container view. |
| */ |
| final public void setFixedBounds(Rect fixedBounds) { |
| if (!fixedBounds.isEmpty() && !fixedBounds.equals(mFixedBounds)) { |
| mFixedBounds.set(fixedBounds); |
| if (Launcher.DISABLE_ALL_APPS_SEARCH_INTEGRATION) { |
| mFixedBounds.top = mInsets.top; |
| mFixedBounds.bottom = getMeasuredHeight(); |
| } |
| // To ensure that the child RecyclerView has the full width to handle touches right to |
| // the edge of the screen, we only apply the top and bottom padding to the bounds |
| mFixedBounds.inset(0, mFixedBoundsContainerInset); |
| onFixedBoundsUpdated(); |
| } |
| // Post the updates since they can trigger a relayout, and this call can be triggered from |
| // a layout pass itself. |
| post(new Runnable() { |
| @Override |
| public void run() { |
| onUpdateBackgrounds(); |
| onUpdatePaddings(); |
| } |
| }); |
| } |
| |
| /** |
| * Update the UI in response to a change in the fixed bounds. |
| */ |
| protected void onFixedBoundsUpdated() { |
| // Do nothing |
| } |
| |
| /** |
| * Update the paddings in response to a change in the bounds or insets. |
| */ |
| protected void onUpdatePaddings() { |
| // Do nothing |
| } |
| |
| /** |
| * Update the backgrounds in response to a change in the bounds or insets. |
| */ |
| protected void onUpdateBackgrounds() { |
| // Do nothing |
| } |
| } |